【单选题】【消耗次数:1】
如果我们需要用鲜菠萝制作果冻时,可将菠萝蒸煮几分钟后,使其( )后使用。
酸性物质破坏
蛋白酶失去活性
甜度增加
水分适量蒸发
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相关题目
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①  1.8-2.5
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①  正确
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